{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:3ZS6WLRAL7X5HGF7UQLMIGLL5O","short_pith_number":"pith:3ZS6WLRA","schema_version":"1.0","canonical_sha256":"de65eb2e205fefd398bfa416c4196beb8ac1dd33d80cf4ebab5aa8fc3b1ce012","source":{"kind":"arxiv","id":"2311.14190","version":2},"attestation_state":"computed","paper":{"title":"Unified Treatment of null and Spatial Infinity IV: Angular Momentum at Null and Spatial Infinity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Abhay Ashtekar, Neev Khera","submitted_at":"2023-11-23T20:22:32Z","abstract_excerpt":"In a companion paper we introduced the notion of asymptotically Minkowski spacetimes. These space-times are asymptotically flat at both null and spatial infinity, and furthermore there is a harmonious matching of limits of certain fields as one approaches $i^\\circ$ in null and space-like directions. These matching conditions are quite weak but suffice to reduce the asymptotic symmetry group to a Poincar\\'e group $\\mathfrak{p}_{i^\\circ}$. Restriction of $\\mathfrak{p}_{i^\\circ}$ to future null infinity $\\mathscr{I}^{+}$ yields the canonical Poincar\\'e subgroup $\\mathfrak{p}^{\\rm bms}_{i^\\circ}$ "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2311.14190","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-11-23T20:22:32Z","cross_cats_sorted":[],"title_canon_sha256":"7bea70678f026fde9347d7fb791b611df35bb6bada90c38016e46d4c3eaacc29","abstract_canon_sha256":"239e190cccc7217be681aa8d980925baac76cef648ee910784770fb1544fe291"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:34:36.319780Z","signature_b64":"9d6ILNgNT5lCYyNkpSDmiUrnUHumXgPQlwqiNb4w9gH+DNFaWGX33BDk6SkivFO6wyO1R+eEZthakMMIukTWDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de65eb2e205fefd398bfa416c4196beb8ac1dd33d80cf4ebab5aa8fc3b1ce012","last_reissued_at":"2026-07-05T07:34:36.319244Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:34:36.319244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unified Treatment of null and Spatial Infinity IV: Angular Momentum at Null and Spatial Infinity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Abhay Ashtekar, Neev Khera","submitted_at":"2023-11-23T20:22:32Z","abstract_excerpt":"In a companion paper we introduced the notion of asymptotically Minkowski spacetimes. These space-times are asymptotically flat at both null and spatial infinity, and furthermore there is a harmonious matching of limits of certain fields as one approaches $i^\\circ$ in null and space-like directions. These matching conditions are quite weak but suffice to reduce the asymptotic symmetry group to a Poincar\\'e group $\\mathfrak{p}_{i^\\circ}$. Restriction of $\\mathfrak{p}_{i^\\circ}$ to future null infinity $\\mathscr{I}^{+}$ yields the canonical Poincar\\'e subgroup $\\mathfrak{p}^{\\rm bms}_{i^\\circ}$ "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.14190","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2311.14190/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2311.14190","created_at":"2026-07-05T07:34:36.319309+00:00"},{"alias_kind":"arxiv_version","alias_value":"2311.14190v2","created_at":"2026-07-05T07:34:36.319309+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.14190","created_at":"2026-07-05T07:34:36.319309+00:00"},{"alias_kind":"pith_short_12","alias_value":"3ZS6WLRAL7X5","created_at":"2026-07-05T07:34:36.319309+00:00"},{"alias_kind":"pith_short_16","alias_value":"3ZS6WLRAL7X5HGF7","created_at":"2026-07-05T07:34:36.319309+00:00"},{"alias_kind":"pith_short_8","alias_value":"3ZS6WLRA","created_at":"2026-07-05T07:34:36.319309+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2412.15996","citing_title":"Ti and Spi, Carrollian extended boundaries at timelike and spatial infinity","ref_index":35,"is_internal_anchor":false},{"citing_arxiv_id":"2603.08705","citing_title":"A proof of conservation laws in gravitational scattering: tails and breaking of peeling","ref_index":34,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/3ZS6WLRAL7X5HGF7UQLMIGLL5O","json":"https://pith.science/pith/3ZS6WLRAL7X5HGF7UQLMIGLL5O.json","graph_json":"https://pith.science/api/pith-number/3ZS6WLRAL7X5HGF7UQLMIGLL5O/graph.json","events_json":"https://pith.science/api/pith-number/3ZS6WLRAL7X5HGF7UQLMIGLL5O/events.json","paper":"https://pith.science/paper/3ZS6WLRA"},"agent_actions":{"view_html":"https://pith.science/pith/3ZS6WLRAL7X5HGF7UQLMIGLL5O","download_json":"https://pith.science/pith/3ZS6WLRAL7X5HGF7UQLMIGLL5O.json","view_paper":"https://pith.science/paper/3ZS6WLRA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2311.14190&json=true","fetch_graph":"https://pith.science/api/pith-number/3ZS6WLRAL7X5HGF7UQLMIGLL5O/graph.json","fetch_events":"https://pith.science/api/pith-number/3ZS6WLRAL7X5HGF7UQLMIGLL5O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3ZS6WLRAL7X5HGF7UQLMIGLL5O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3ZS6WLRAL7X5HGF7UQLMIGLL5O/action/storage_attestation","attest_author":"https://pith.science/pith/3ZS6WLRAL7X5HGF7UQLMIGLL5O/action/author_attestation","sign_citation":"https://pith.science/pith/3ZS6WLRAL7X5HGF7UQLMIGLL5O/action/citation_signature","submit_replication":"https://pith.science/pith/3ZS6WLRAL7X5HGF7UQLMIGLL5O/action/replication_record"}},"created_at":"2026-07-05T07:34:36.319309+00:00","updated_at":"2026-07-05T07:34:36.319309+00:00"}